Assume a system with N job positions. For job position i, the number of individual users...
Homework Answers
a) For a traditional DAC,
- there will be only 1 possible relationship
b) For RBAC, there will be U*P relationship between users and permissions Where U-> set of individuals
P-> set of permissions required
- P->h one or more roles of user
- or user roles -> one or more P
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Assume a system with N job positions. For job position i, the number of individual users...
Please if you can help question (i) at least, which would be very helpful. Assume that a wireless channel can transmit up to 30 Mbps and can be divided between any number of admitted users. There ar...
Please if you can help question (i) at least, which would be
very helpful.
Assume that a wireless channel can transmit up to 30 Mbps and can be divided between any number of admitted users. There are 7 users in total with the data rate as shown in vector R [rl (R[5, 11, 3, 2, 7, 15, 10]) in Mbps. The profit of a service provider will depend on the number of admitted users as well as the allocated data...
You're in charge of running a scientific program (job) that simulates a physical system for as ma...
You're in charge of running a scientific program (job) that simulates a physical system for as many discrete steps as you can. The lab you're working in has two large supercomputers, which we'll call A and B, which are capable of processing this job. However, you're not one of the high-priority users of these supercomputers, so at any given point in time, you're only able to use as many spare cycles as these machines have available. Here's the problem you...
A large firm of solicitors uses a job costing system to identify costs with individual clients....
A large firm of solicitors uses a job costing system to identify costs with individual clients. Hours worked by professional staff are used as the basis for charging overhead costs to client services. A predetermined rate is used, derived from budgets drawn up at the beginning of each year commencing on 1 April. In the year to 31 March 2012 the overheads of the solicitors practice, which were absorbed at a rate of £7.50 per hour of professional staff, were...
1 The Gibbs Paradox Consider N particles, each of mass m, in a 3-dimensional volume V at temperature T. Each particle i...
1 The Gibbs Paradox Consider N particles, each of mass m, in a 3-dimensional volume V at temperature T. Each particle i has momentum pi. Assume that the particles are non-interacting (ideal gas) and distinguishable. a) (2P) Calculate the canonical partition function N P for the N-particle system. Make sure to work out the integral. b) (2P) Calculate the free energy F--kBTlnZ from the partition function Z. Is F an extensive quantity? c) (2P) Calculate the entropy S F/oT from...
1. Consider a quantum system comprising three indistinguishable particles which can occupy only three individual-partic...
1. Consider a quantum system comprising three indistinguishable particles which can occupy only three individual-particle energy levels, with energies ε,-0, ε,-2e and ε,-3. The system is in thermal equilibrium at temperature T. Suppose the particles are bosons with integer spin. i) How many states do you expect this system to have? Justify your answer [2 marks] (ii) Make a table showing, for each state of this system, the energy of the state, the number of particles (M, M,, N) with...
Assume the program counter (PC) is initially equal to n. Assume that the word length of...
Assume the program counter (PC) is initially equal to n. Assume that the word length of the processor is 1. a) How many fetches are required to make PC equal to m if there are no branch instructions between n and m? b) What is the content of the instruction register (IR) when the PC’s value is n+k? Justify your answer. Why we are not using a hundred pipeline stages if anoperation can be divided up into a hundred steps,...
Write each statement as True or False (a) If an (nx n) matrix A is not invertible then the linear system Ax-O hns infinitely many b) If the number of equations in a linear system exceeds the number o...
Write each statement as True or False (a) If an (nx n) matrix A is not invertible then the linear system Ax-O hns infinitely many b) If the number of equations in a linear system exceeds the number of unknowns then the system 10p solutions must be inconsistent ) If each equation in a consistent system is multiplied through by a constant c then all solutions to the new system can be obtained by multiplying the solutions to the original...
Question 9 Consider a quantum system comprising two indistinguishable particles which can occupy only three individual-particle...
Question 9 Consider a quantum system comprising two indistinguishable particles which can occupy only three individual-particle energy levels, with energies 81 0, 82 2 and E3 38.The system is in thermal equilibrium at temperature T. (a) Suppose the particles which can occupy an energy level. are spinless, and there is no limit to the number of particles (i) How many states do you expect this system to have? Justify your answer (ii) Make a table showing, for each state of...
Refer to the following program sample to answer the parts (a-i) below. Keep in mind that low and high are both indices of array A. /1 Assume that A is a sorted array containing N integers // Assume t...
Refer to the following program sample to answer the parts (a-i) below. Keep in mind that low and high are both indices of array A. /1 Assume that A is a sorted array containing N integers // Assume that x is a variable of type int int low= 0; // Line 1 int high- N; // Line 2 while (low- high) I/ Line 3 m- (lowthigh)/2; // Line 4 (This is integer division) if (A [m]<) I/Line 5 then low-...
Please if you can help question (i) at least, which would be
very helpful.
Assume that a wireless channel can transmit up to 30 Mbps and can be divided between any number of admitted users. There are 7 users in total with the data rate as shown in vector R [rl (R[5, 11, 3, 2, 7, 15, 10]) in Mbps. The profit of a service provider will depend on the number of admitted users as well as the allocated data...
You're in charge of running a scientific program (job) that simulates a physical system for as many discrete steps as you can. The lab you're working in has two large supercomputers, which we'll call A and B, which are capable of processing this job. However, you're not one of the high-priority users of these supercomputers, so at any given point in time, you're only able to use as many spare cycles as these machines have available. Here's the problem you...
1 The Gibbs Paradox Consider N particles, each of mass m, in a 3-dimensional volume V at temperature T. Each particle i has momentum pi. Assume that the particles are non-interacting (ideal gas) and distinguishable. a) (2P) Calculate the canonical partition function N P for the N-particle system. Make sure to work out the integral. b) (2P) Calculate the free energy F--kBTlnZ from the partition function Z. Is F an extensive quantity? c) (2P) Calculate the entropy S F/oT from...
1. Consider a quantum system comprising three indistinguishable particles which can occupy only three individual-particle energy levels, with energies ε,-0, ε,-2e and ε,-3. The system is in thermal equilibrium at temperature T. Suppose the particles are bosons with integer spin. i) How many states do you expect this system to have? Justify your answer [2 marks] (ii) Make a table showing, for each state of this system, the energy of the state, the number of particles (M, M,, N) with...
Write each statement as True or False (a) If an (nx n) matrix A is not invertible then the linear system Ax-O hns infinitely many b) If the number of equations in a linear system exceeds the number of unknowns then the system 10p solutions must be inconsistent ) If each equation in a consistent system is multiplied through by a constant c then all solutions to the new system can be obtained by multiplying the solutions to the original...
Question 9 Consider a quantum system comprising two indistinguishable particles which can occupy only three individual-particle energy levels, with energies 81 0, 82 2 and E3 38.The system is in thermal equilibrium at temperature T. (a) Suppose the particles which can occupy an energy level. are spinless, and there is no limit to the number of particles (i) How many states do you expect this system to have? Justify your answer (ii) Make a table showing, for each state of...
Refer to the following program sample to answer the parts (a-i) below. Keep in mind that low and high are both indices of array A. /1 Assume that A is a sorted array containing N integers // Assume that x is a variable of type int int low= 0; // Line 1 int high- N; // Line 2 while (low- high) I/ Line 3 m- (lowthigh)/2; // Line 4 (This is integer division) if (A [m]<) I/Line 5 then low-...
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